One way in which State Departments of Transportation (DOTs) can modernize their rest areas while reducing operations and maintenance costs is by incorporating sustainable practices into rest area design and operations. Sustainability practices that DOTs have pursued at their rest areas include green building design, changing operations procedures,
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The Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle (CV) Pilot Deployment Program is intended to develop a suite of applications that utilize vehicle-to-infrastructure (V2I) and vehicle-to-vehicle (V2V) communication technology to reduce traffic congestion, improve safety, and decrease emissions. These CV applications support a fle
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-10-01
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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The Post Hurricane Sandy Transportation Resilience Study in New York-New Jersey-Connecticut provides an assessment of the metropolitan region transportation system’s resilience to climate, sea level rise and extreme weather. The study leverages lessons learned from Hurricane Sandy and other recent events, as well as future climate projections, to i
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This is one of nine engineering case studies conducted under the Transportation Engineering Approaches to Climate Resiliency (TEACR) Project. This case study focused on the impacts of wildfire and precipitation on the performance of a highway stream crossing.
Learning in Progress, NHI's quarterly newsletter, provides updates on new course launches, upcoming Web conference seminars, training programs and events, and NHI policy changes.
This document reviews notable practices and considerations for accommodating pedestrians with vision disabilities on shared streets. It focuses on streets where pedestrians, bicyclists, and motor vehicles are intended to mix in the same space. The guide includes a description of shared streets, an overview of vision disabilities and the strategies
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State DOT’s, Local Public Agencies, and tribal transportation agencies nationwide own the transportation system and make key decisions on how to deliver projects, as well as what techniques and technologies to use in the operation and safety these systems. The State Transportation Innovation Council (STIC) brings together stakeholders representing
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Diesel engines play a vital role in key industry sectors including freight, public transportation, construction, and agriculture. However, diesel exhaust contains high levels of fine particulate matter (PM2.5) emissions, which can pose significant risks to public health, including causing lung damage and premature death. Diesel retrofits offer a co
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State and local governments can use CMAQ funding to support efforts to meet National Ambient Air Quality Standards (NAAQS) under the Clean Air Act (CAA) in both nonattainment and maintenance areas for carbon monoxide (CO), particulate matter (PM) and ozone (O3 ). Nonattainment areas are those where air pollution levels exceed NAAQS. Maintenance are
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Many transportation planning models rely on estimates of origin-destination (OD) travel flows for inputs or validation. Conventional 4-step travel demand models estimate origins and destinations using trip generation and trip distribution approaches. Given the importance of the OD matrix in this type of modeling, several methods and datasets have b
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Large, passively collected datasets from location-based services are a potential asset to transportation planning and modeling. These data have near-real-time availability and can capture travel behavior of a wide swath of the population. These data clearly hold promise for multiple transportation modeling methods, but practitioners should be aware
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In an intermodal transportation network, trains, trucks, ships, and aircraft are connected in a seamless system that is efficient and flexible, and meets the needs of the nation’s consumers, carriers, and shippers. An intermodal system includes both origins and destinations (e.g. ports, railheads and warehouses) and the links between them (e.g. roa
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The Congestion Mitigation and Air Quality Improvement (CMAQ) program provides a flexible funding source for State and local governments to fund transportation projects and programs to help meet the requirements of the Clean Air Act (CAA) and its amendments. The legislation is codified at 23 USC Sec 149. CMAQ money supports transportation projects t
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A public-private partnership is an agreement between a government agency and non-government organization to work together to accomplish a goal that benefits both the taxpaying public and the private partner. The agreement between the parties must specify the intended use of the CMAQ funding, the roles and responsibilities of the participants, any c
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Intelligent transportations systems (ITS), including vehicle-to-infrastructure technology (V2I), are a combination of computer and communication technologies, as well as institutional partnerships. ITS can be effective in relieving traffic congestion, enhancing transit bus performance and enhancing air quality. ITS projects improve traffic flow cha
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